Perform the indicated operation or operations.
+ 
- 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.The equivalent resistance R? of the resistors R1 and R2 in parallel is given by 
If 
and 
find R1 and R2.
A. 22.0?; 0.94? B. 26.96?; 1.04? C. 5.08?; 1.02? D. 3.29?; 2.32?
Mathematics
Multiply in the indicated base.14five × 21five
A. 323five B. 444five C. 343five D. 344five
Mathematics
Factor.x3 - 343
A. (x + 343)(x2 - 1) B. (x + 7)(x2 - 7x + 49) C. (x - 7)(x2 + 49) D. (x - 7)(x2 + 7x + 49)
Mathematics
The table shows Jose's expenses for one month. Use the table to answer the question.How much more did Jose spend on rent than on entertainment? Monthly ExpensesRent$558Food$163Car repairs, gas$93.40Utilities$67.56Phone (long distance)$81.76Phone (local)$22.58Drumming lessons$92Entertainment$58.78
A. $499.22 B. $9.49 C. $616.78 D. $507.14
Mathematics